.fab-whatsapp {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 40;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: #25D366;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.8rem;
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.35);
    transition: all 0.3s ease;
}

.fab-whatsapp:hover {
    transform: scale(1.08);
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.5);
}

.fab-whatsapp i {
    color: #fff;
}

/* ============================================ */
/* RESPONSIVE FAB */
/* ============================================ */
@media (max-width: 480px) {
    .fab-whatsapp {
        width: 44px;
        height: 44px;
        font-size: 1.5rem;
        bottom: 16px;
        right: 16px;
    }
}